Home / 3,071.01-4,237.08-1,812.18

Finding the Fourth Proportional to 3,071.01, 4,237.08 and 1,812.18

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Solution

The fourth proportional to 3,071.01, 4,237.08 and 1,812.18 is: 2,500.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.01 : 4,237.08 = 1,812.18 : x
  2. Step 2: Convert to fraction form
    3,071.01/4,237.08 = 1,812.18/x
  3. Step 3: Cross multiply
    3,071.01x = 4,237.08 × 1,812.18
  4. Step 4: Simplify right side
    3,071.01x = 7,678,351.63
  5. Step 5: Solve for x
    x = 7,678,351.63/3,071.01
  6. Step 6: Final answer
    x = 2,500.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.